Color

#4b3abb

#4b3abb
hex#4b3abb
rgbrgb(75, 58, 187)
hslhsl(248, 53%, 48%)
oklchoklch(0.452 0.193 281.4)
Closest name: Blurple (#5539cc)Relative luminance 0.0811

Colors that go with #4b3abb

Charcoal, Sea Green and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#aabb3a

#3a69bb · #8c3abb

#bb4b3a · #3abb4b

Split-complementary

Open in tool →

#bb8c3a · #69bb3a

#bb3a69 · #aabb3a · #3abb8c

Contrast

#4b3abb as textRatioAAAA largeAAAFix
Aaon white
8.01:1passpasspassPasses AAA — no fix needed.
Aaon black
2.62:1failfailfail
  • AA: use #7567d0 as the text (4.61:1)
  • AAA: use #988edc as the text (7.24:1)
  • AA: or shift the background to #c4c4c4 (4.59:1)
  • AAA: or shift the background to #f0f0f0 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b3abb as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#4b3abb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4b3abb
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4b3abb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b3abb-a69cc4-dfac4e-271f2d-e9ecf1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md